Rule 1: All's fair in love, war and popularity ... Kat Elliot is no social butterfly: she's spent her life rebelling against phony schmoozing - and it's led her nowhere. Just as she's ready to give up her dreams and admit defeat, in steps Lauren Anderville. One-time allies against their school bullies, Lauren and Kat had been inseparable. Then one year Lauren returned from summer camp blonde, bubbly and suddenly popular, and Kat was left to face the world alone. Ten years later, Lauren's back. She wants to make amends by teaching Kat the secret to her success: The Popularity Rules. A decades-old rulebook, its secrets transformed Lauren that fateful summer. And so, tempted by Lauren's promises of glitzy parties and the job she's always dreamed of, Kat reluctantly submits to a total makeover - only to find that life with the in-crowd might have something going for it after all. But while Lauren has sacrificed everything to get ahead, is Kat really ready to accept that popularity is the only prize that counts?